Home / 15,086.92-22,615.68-7,187.32

Finding the Fourth Proportional to 15,086.92, 22,615.68 and 7,187.32

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Solution

The fourth proportional to 15,086.92, 22,615.68 and 7,187.32 is: 10,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.92 : 22,615.68 = 7,187.32 : x
  2. Step 2: Convert to fraction form
    15,086.92/22,615.68 = 7,187.32/x
  3. Step 3: Cross multiply
    15,086.92x = 22,615.68 × 7,187.32
  4. Step 4: Simplify right side
    15,086.92x = 162,546,129.18
  5. Step 5: Solve for x
    x = 162,546,129.18/15,086.92
  6. Step 6: Final answer
    x = 10,773.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.